package com.qst.express.interceptor;

import com.qst.express.entity.User;
import com.qst.express.utils.UserUtil;
import com.qst.serviceBase.exceptionhandler.EduException;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 * @author:CoolTiger
 * @title: LoginInterceptor
 * @projectName springboot-e
 * @description: TODO
 * @date:2022/10/11/15:15:36
 **/
@Slf4j
public class LoginInterceptor implements HandlerInterceptor {
    /**
     * 目标方法执行之前
     * @param request
     * @param response
     * @param handler
     * @return
     * @throws Exception
     */
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        String requestURI = request.getRequestURI();
        log.info("preHandle拦截的请求路径是{}",requestURI);

        HttpSession session = request.getSession();
        User wxUser = UserUtil.getWxUser(session);
        System.out.println("是否登陆:"+wxUser);
        if (wxUser!= null){
            return true;
        }else {
            request.setAttribute("msg","请先登陆");
            request.getRequestDispatcher("/").forward(request,response);
        }
        return false;
    }
    /**
     * 目标方法执行之后
     * @param request
     * @param response
     * @param handler
     * @param modelAndView
     * @throws Exception
     */
    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {
        log.info("postHandle执行{}",modelAndView);
    }

    /**
     * 页面渲之后
     * @param request
     * @param response
     * @param handler
     * @param ex
     * @throws Exception
     */
    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
        log.info("afterCompletion执行异常{}",ex);
    }
}
